map -package:containers -package:charset -package:invertible -is:exact -package:foldl -package:blaze-html -package:basement -package:base-compat -package:bytestring -package:incipit-base -package:base package:aeson is:exact

map :: (a -> b) -> KeyMap a -> KeyMap b
aeson Data.Aeson.KeyMap
Map a function over all values in the map.